Asteroids

2025KK1 help

Last update: 2025-05-24 12:45 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.584

Aphelion (Q)

3.457

Eccentricity (e)

0.711

Inclination (i)

4.9

deg

Orbit period (P)

1049.1

Earth MOID

0.00307

U parameter

8.2

Next Earth close approach

Date

Nominal distance (from Earth center)

Maximum Brightness

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

28.8

mag

Diameter

5 - 10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-22

Observatory

Kitt Peak-Bok

ORBIT VISUALISATION TOOLS

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.020632

1-sigma variation

0.003431

Unit

Eccentricity (e)

Value

0.710962

1-sigma variation

0.000589

Unit

Inclination (i)

Value

4.9418

1-sigma variation

0.0039

Unit

Long. of Ascending Node (Ω)

Value

65.6169

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

268.8662

1-sigma variation

0.0014

Unit

Mean Anomaly (M)

Value

336.83639

1-sigma variation

0.06605

Unit

Perihelion distance

Value

0.584040

1-sigma variation

Unit

Aphelion distance

Value

3.457224

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.026202

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.027051

1-sigma variation

Unit

MOID

Value

0.003068

1-sigma variation

Unit

Orbit Period

Value

1049.1298

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.17748E-5	2.02017E-6	1.33364E-5	1.46357E-7	-4.60472E-6	2.26655E-4
e	2.02017E-6	3.46595E-7	2.28812E-6	2.50785E-8	-7.89926E-7	3.88865E-5
i	1.33364E-5	2.28812E-6	1.51190E-5	1.52974E-7	-5.19562E-6	2.56714E-4
Ω	1.46357E-7	2.50785E-8	1.52974E-7	1.36582E-8	-7.51316E-8	2.81686E-6
ω	-4.60472E-6	-7.89926E-7	-5.19562E-6	-7.51316E-8	1.83774E-6	-8.86361E-5
M	2.26655E-4	3.88865E-5	2.56714E-4	2.81686E-6	-8.86361E-5	4.36290E-3

Date of computation: 2025-05-24 12:45 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

28.824

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

5 - 10*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

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Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.595279

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-22.346442

Unit

Source

[2]

Last Observation

Value

2025-05-24.122733

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

27 (0)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 2025KK1 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1962-05-31 11:00	> 1 w	0.1251867	0.0107099	0.0980650
EARTH	1982-06-05 03:28	> 1 mo	0.1747102	0.0109496	0.4100696
EARTH	2019-11-28 08:09	> 1 d	0.0352607	0.0030506	0.0932042
EARTH	2025-05-24 16:29	< 1 s	0.0033814	0.0033732	0.0000027
VENUS	2025-08-04 14:01	47.4	0.0344454	0.0323426	0.0007016
VENUS	2082-10-21 12:02	> 1 w	0.0273755	0.0032113	0.3529947
VENUS	2091-06-03 10:17	> 1 mo	0.0460439	0.0026151	1.0702744

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
44.01472397	321.87595386	0.00306838	MINIMUM
314.58361135	140.63528110	0.00325300	MINIMUM
358.81106734	230.59263109	0.43115584	SADDLE
358.80212203	50.54415568	1.57237631	SADDLE
179.79538152	51.94437105	2.47251945	SADDLE
179.78474225	231.93569850	4.46424305	MAXIMUM

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MOID Plots

Click on the images to zoom-in and zoom-out

Level lines of the squared distance function

2025KK1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2045-11-27.047	68311.047	1.811	0.000	0.95 ± 0.010	3.77E6	2.48E-8	5.60E-10	-8.72
2056-11-26.586	72328.586	-2.486	0.000	0.18 ± 0.010	4.89E5	8.24E-8	1.78E-9	-8.40
2056-11-26.620	72328.620	-2.557	0.000	1.03 ± 0.010	7.08E4	1.96E-7	4.24E-9	-8.02
2073-11-26.547	78537.547	-4.615	0.000	0.43 ± 0.012	1.96E5	1.00E-10	2.12E-12	-11.51
2073-11-26.586	78537.586	-2.804	1.229	1.13 ± 0.011	1.95E3	8.33E-8	1.74E-9	-8.59


Based on 27 optical observations (of which 0 are rejected as outliers) from 2025/05/22.346 to 2025/05/24.123.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.12 and 1.12 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20250525 131902.789 UTC.

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